<template>
  <div>
    <TypeNav />
    <div class="main">
      <div class="py-container">
        <!--bread-->
        <div class="bread">
          <ul class="fl sui-breadcrumb">
            <li>
              <a href="#">全部结果</a>
            </li>
          </ul>
          <ul class="fl sui-tag">
            <li class="with-x" v-if="searchParams.categoryName">
              {{ searchParams.categoryName
              }}<span @click="removeCategoryName"> X</span>
            </li>
            <li class="with-x" v-if="searchParams.keyword">
              {{ searchParams.keyword }}<span @click="removeKeyword"> X</span>
            </li>
            <li class="with-x" v-if="searchParams.trademark">
              {{ searchParams.trademark.split(":")[1]
              }}<span @click="removeTrademark"> X</span>
            </li>
            <li
              class="with-x"
              v-for="(item, index) in searchParams.props"
              :key="item"
            >
              {{ item.split(":")[1]
              }}<span @click="removeProps(index)"> X</span>
            </li>
          </ul>
        </div>

        <!--selector-->
        <SearchSelector
          :attrsList="attrsList"
          :trademarkList="trademarkList"
          @searchByTm="searchByTm"
          @searchByProps="searchByProps"
        />

        <!--details-->
        <div class="details clearfix">
          <div class="sui-navbar">
            <div class="navbar-inner filter">
              <ul class="sui-nav">
                <li
                  :class="
                    searchParams.order.split(':')[0] === '1' ? 'active' : ''
                  "
                  @click="searchByOrder({ type: '1' })"
                >
                  <a href="javascript:;"
                    >综合<i
                      class="iconfont"
                      v-show="searchParams.order.split(':')[0] === '1'"
                      :class="
                        searchParams.order.split(':')[1] === 'desc'
                          ? 'icon-arrow-down'
                          : 'icon-arrow-up'
                      "
                    ></i
                  ></a>
                </li>
                <li
                  :class="
                    searchParams.order.split(':')[0] === '2' ? 'active' : ''
                  "
                  @click="searchByOrder({ type: '2' })"
                >
                  <a href="javascript:;"
                    >价格<i
                      class="iconfont"
                      v-show="searchParams.order.split(':')[0] === '2'"
                      :class="
                        searchParams.order.split(':')[1] === 'desc'
                          ? 'icon-arrow-down'
                          : 'icon-arrow-up'
                      "
                    ></i
                  ></a>
                </li>
              </ul>
            </div>
          </div>
          <div class="goods-list">
            <ul class="yui3-g">
              <li class="yui3-u-1-5" v-for="item in goodsList" :key="item.id">
                <div class="list-wrap">
                  <div class="p-img" @click="toDetail(item.id)">
                    <a href="javascript:;"><img :src="item.defaultImg" /></a>
                  </div>
                  <div class="price">
                    <strong>
                      <em>¥ </em>
                      <i>{{ item.price }}</i>
                    </strong>
                  </div>
                  <div class="attr" @click="toDetail(item.id)">
                    <a
                      href="javascript:;"
                      title="促销信息，下单即赠送三个月CIBN视频会员卡！【小米电视新品4A 58 火爆预约中】"
                      >{{ item.title }}</a
                    >
                  </div>
                  <div class="commit">
                    <i class="command">已有<span>2000</span>人评价</i>
                  </div>
                  <div class="operate">
                    <a
                      href="success-cart.html"
                      target="_blank"
                      class="sui-btn btn-bordered btn-danger"
                      >加入购物车</a
                    >
                    <a href="javascript:void(0);" class="sui-btn btn-bordered"
                      >收藏</a
                    >
                  </div>
                </div>
              </li>
            </ul>
          </div>
          <!-- 
            页码：
             计算连续页需要1.当前页  2.连续页数(自定义)  3.总页数
           -->
          <Pagination
            :pageNo="searchParams.pageNo"
            :continuePages="continuePages"
            :totalPages="totalPages"
            :total="total"
            @changePageNo="changePageNo"
          />
        </div>
      </div>
    </div>
  </div>
</template>

<script>
import SearchSelector from "./SearchSelector/SearchSelector";
import { reqSearchGoodsList } from "@/api";
export default {
  name: "Search",
  components: {
    SearchSelector,
  },
  data() {
    return {
      searchParams: {
        category1Id: null,
        category2Id: null,
        category3Id: null,
        categoryName: "",
        keyword: "",
        order: "1:desc", //排序方式 1: 综合,2: 价格 asc: 升序,desc: 降序  示例: "1:desc
        pageNo: 1,
        pageSize: 10,
        props: [],
        trademark: "",
      },
      attrsList: [],
      goodsList: [],
      trademarkList: [],
      total: 0,
      totalPages: 0,
      continuePages: 3,
    };
  },
  mounted() {
    // 页面加载后直接调用getAllParams方法，收集所有参数
    this.getAllParams();
  },
  watch: {
    // 监听路由地址发生改变后重新获取参数
    $route() {
      this.getAllParams();
    },
    // 监听searchParams，如果改变则重新请求
    searchParams: {
      deep: true,
      handler() {
        this.getSearchGoodsList();
      },
    },
  },
  methods: {
    // 1.封装收集所有的参数的方法
    getAllParams() {
      const { category1Id, category2Id, category3Id, categoryName } =
        this.$route.query;
      const { keyword } = this.$route.params;
      this.searchParams = {
        ...this.searchParams,
        category1Id,
        category2Id,
        category3Id,
        categoryName,
        keyword,
      };
    },
    // 2.获取搜索商品列表的回调函数
    async getSearchGoodsList() {
      try {
        const re = await reqSearchGoodsList(this.searchParams);
        // console.log(re, "re");
        this.attrsList = re.attrsList;
        this.goodsList = re.goodsList;
        this.trademarkList = re.trademarkList;
        this.total = re.total;
        this.totalPages = re.totalPages;
      } catch (e) {
        alert(e.message);
      }
    },
    // 3.移出query参数removeCategoryName的面包屑
    removeCategoryName() {
      // 将query参数的id和name全部设置为空
      this.searchParams = {
        ...this.searchParams,
        category1Id: null,
        category2Id: null,
        category3Id: null,
        categoryName: "",
      };
      // 重新跳转路由(删除后路由地址没有变)
      const params = this.$route.params;
      this.$router.push({
        name: "search",
        params,
      });
    },
    // 4.移出params参数Keyword的面包屑
    removeKeyword() {
      //将searchParams参数中的keyword设置为空(重新请求数据)
      this.searchParams.keyword = "";
      // 重新跳转路由(删除后路由地址没有变)
      const query = this.$route.query;
      this.$router.push({
        name: "search",
        query,
      });
      //调用事件总线上的clearSearch事件，清除搜索框内容
      this.$bus.$emit("clearSearch");
    },
    // 5.封装一个自定义函数，接收子组件传过来的参数，修改searchParams中品牌的参数，重新发送请求
    searchByTm(tm) {
      // console.log(tm,"tm");
      this.searchParams.trademark = tm;
    },
    // 6.移出品牌trademark的面包屑
    removeTrademark() {
      this.searchParams.trademark = "";
    },
    // 7.封装一个自定义函数，接收子组件传过来的参数，修改searchParams中平台props的参数，重新发送请求
    searchByProps(props) {
      // console.log(tm,"tm");
      //因为props参数是数组，push方法可以改变原数组，遇到重复的也会添加，所以需要判断
      if (this.searchParams.props.includes(props)) return;
      this.searchParams.props.push(props);
    },
    // 8.移出品牌平台props的参数的面包屑
    removeProps(index) {
      //根据传递过来的index直接用数组方法splice删除单项
      this.searchParams.props.splice(index, 1);
    },
    // 9.封装排序的回调函数
    searchByOrder({ type }) {
      // console.log(type);
      //收集data中点击排序之前的order中的type(排序类型)
      let oldType = this.searchParams.order.split(":")[0];
      //收集data中点击排序之前的order中的order(排序)
      let oldOrder = this.searchParams.order.split(":")[1];

      // 判断如果点击的排序类型是以前的排序类型，就直接让排序取反
      if (type === oldType) {
        oldOrder = oldOrder === "desc" ? "asc" : "desc";
        this.searchParams.order = `${type}:${oldOrder}`;
      } else {
        this.searchParams.order = `${type}:${"desc"}`;
      }
    },
    // 10.给页码组件绑定自定义事件，接收传递过来的pageNo重新发请求
    changePageNo(pageNo) {
      // console.log(pageNo);
      this.searchParams.pageNo = pageNo;
    },
    // 11.跳转到详情页的回调函数
    toDetail(id) {
      this.$router.push({
        name: "detail",
        params: {
          skuId: id,
        },
      });
    },
  },
};
</script>

<style lang="less" scoped>
.main {
  margin: 10px 0;

  .py-container {
    width: 1200px;
    margin: 0 auto;

    .bread {
      margin-bottom: 5px;
      overflow: hidden;

      .sui-breadcrumb {
        padding: 3px 15px;
        margin: 0;
        font-weight: 400;
        border-radius: 3px;
        float: left;

        li {
          display: inline-block;
          line-height: 18px;

          a {
            color: #666;
            text-decoration: none;

            &:hover {
              color: #4cb9fc;
            }
          }
        }
      }

      .sui-tag {
        margin-top: -5px;
        list-style: none;
        font-size: 0;
        line-height: 0;
        padding: 5px 0 0;
        margin-bottom: 18px;
        float: left;

        .with-x {
          font-size: 12px;
          margin: 0 5px 5px 0;
          display: inline-block;
          overflow: hidden;
          color: #000;
          background: #f7f7f7;
          padding: 0 7px;
          height: 20px;
          line-height: 20px;
          border: 1px solid #dedede;
          white-space: nowrap;
          transition: color 400ms;
          cursor: pointer;

          i {
            margin-left: 10px;
            cursor: pointer;
            font: 400 14px tahoma;
            display: inline-block;
            height: 100%;
            vertical-align: middle;
          }

          &:hover {
            color: #28a3ef;
          }
        }
      }
    }

    .details {
      margin-bottom: 5px;

      .sui-navbar {
        overflow: visible;
        margin-bottom: 0;

        .filter {
          min-height: 40px;
          padding-right: 20px;
          background: #fbfbfb;
          border: 1px solid #e2e2e2;
          padding-left: 0;
          border-radius: 0;
          box-shadow: 0 1px 4px rgba(0, 0, 0, 0.065);

          .sui-nav {
            position: relative;
            left: 0;
            display: block;
            float: left;
            margin: 0 10px 0 0;

            li {
              float: left;
              line-height: 18px;

              a {
                display: block;
                cursor: pointer;
                padding: 11px 15px;
                color: #777;
                text-decoration: none;
              }

              &.active {
                a {
                  background: #e1251b;
                  color: #fff;
                }
              }
            }
          }
        }
      }

      .goods-list {
        margin: 20px 0;

        ul {
          display: flex;
          flex-wrap: wrap;

          li {
            height: 100%;
            width: 20%;
            margin-top: 10px;
            line-height: 28px;

            .list-wrap {
              .p-img {
                padding-left: 15px;
                width: 215px;
                height: 255px;

                a {
                  color: #666;

                  img {
                    max-width: 100%;
                    height: auto;
                    vertical-align: middle;
                  }
                }
              }

              .price {
                padding-left: 15px;
                font-size: 18px;
                color: #c81623;

                strong {
                  font-weight: 700;

                  i {
                    margin-left: -5px;
                  }
                }
              }

              .attr {
                padding-left: 15px;
                width: 85%;
                overflow: hidden;
                margin-bottom: 8px;
                min-height: 38px;
                cursor: pointer;
                line-height: 1.8;
                display: -webkit-box;
                -webkit-box-orient: vertical;
                -webkit-line-clamp: 2;

                a {
                  color: #333;
                  text-decoration: none;
                }
              }

              .commit {
                padding-left: 15px;
                height: 22px;
                font-size: 13px;
                color: #a7a7a7;

                span {
                  font-weight: 700;
                  color: #646fb0;
                }
              }

              .operate {
                padding: 12px 15px;

                .sui-btn {
                  display: inline-block;
                  padding: 2px 14px;
                  box-sizing: border-box;
                  margin-bottom: 0;
                  font-size: 12px;
                  line-height: 18px;
                  text-align: center;
                  vertical-align: middle;
                  cursor: pointer;
                  border-radius: 0;
                  background-color: transparent;
                  margin-right: 15px;
                }

                .btn-bordered {
                  min-width: 85px;
                  background-color: transparent;
                  border: 1px solid #8c8c8c;
                  color: #8c8c8c;

                  &:hover {
                    border: 1px solid #666;
                    color: #fff !important;
                    background-color: #666;
                    text-decoration: none;
                  }
                }

                .btn-danger {
                  border: 1px solid #e1251b;
                  color: #e1251b;

                  &:hover {
                    border: 1px solid #e1251b;
                    background-color: #e1251b;
                    color: white !important;
                    text-decoration: none;
                  }
                }
              }
            }
          }
        }
      }
    }
  }
}
</style>